quote from wiseco site:
Quote:
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Wiseco Powersports pistons are designed for optimal piston to wall clearance for the specific bore size of your engine. For example, your 125cc dirt bike engine is 54mm bore, the Wiseco piston is designed just for that bore size, and does not require any specific adjustments to fit properly.
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So their piston for gasgas has same diameter like original pistons for gg. For Boresize of 72.00mm
http://www.wiseco.com/ProductDetail....011&AppID=4988
Such a strange situation. gg have only 3 piston sizes, and they don't cover anything eventually.
hmm and seems like ktm have the similar situation. Sorry guys, it's first 300cc for me, and everything is new. I just trying to understand how to live with it)